diff options
| author | Daniel Borkmann <daniel@iogearbox.net> | 2019-11-02 02:18:01 +0300 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2019-11-02 22:39:13 +0300 |
| commit | 251e2d337a1a4f2572439ea29fd27f8699c5c368 (patch) | |
| tree | 53bc31ae0551e46b9dadc29dbbb7cc44fef1425d /samples/bpf/test_map_in_map_kern.c | |
| parent | 6e07a6341277a1dbdf5ed0c41921033c234c1635 (diff) | |
| download | linux-251e2d337a1a4f2572439ea29fd27f8699c5c368.tar.xz | |
bpf, samples: Use bpf_probe_read_user where appropriate
Use bpf_probe_read_user() helper instead of bpf_probe_read() for samples that
attach to kprobes probing on user addresses.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/5b0144b3f8e031ec5e2438bd7de8d7877e63bf2f.1572649915.git.daniel@iogearbox.net
Diffstat (limited to 'samples/bpf/test_map_in_map_kern.c')
| -rw-r--r-- | samples/bpf/test_map_in_map_kern.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/samples/bpf/test_map_in_map_kern.c b/samples/bpf/test_map_in_map_kern.c index 4f80cbe74c72..32ee752f19df 100644 --- a/samples/bpf/test_map_in_map_kern.c +++ b/samples/bpf/test_map_in_map_kern.c @@ -118,7 +118,7 @@ int trace_sys_connect(struct pt_regs *ctx) if (addrlen != sizeof(*in6)) return 0; - ret = bpf_probe_read(dst6, sizeof(dst6), &in6->sin6_addr); + ret = bpf_probe_read_user(dst6, sizeof(dst6), &in6->sin6_addr); if (ret) { inline_ret = ret; goto done; @@ -129,7 +129,7 @@ int trace_sys_connect(struct pt_regs *ctx) test_case = dst6[7]; - ret = bpf_probe_read(&port, sizeof(port), &in6->sin6_port); + ret = bpf_probe_read_user(&port, sizeof(port), &in6->sin6_port); if (ret) { inline_ret = ret; goto done; |